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3243131413 = 19170691127
BaseRepresentation
bin1100000101001110…
…0100001000010101
322101000112010221021
43001103210020111
523120220201123
61253451321141
7143240106424
oct30123441025
98330463837
103243131413
1114147326a5
127661501b1
133c8b90792
1422aa152bb
1513eabcc5d
hexc14e4215

3243131413 has 4 divisors (see below), whose sum is σ = 3413822560. Its totient is φ = 3072440268.

The previous prime is 3243131407. The next prime is 3243131443. The reversal of 3243131413 is 3141313423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3243131413 - 221 = 3241034261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243131443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85345545 + ... + 85345582.

It is an arithmetic number, because the mean of its divisors is an integer number (853455640).

Almost surely, 23243131413 is an apocalyptic number.

It is an amenable number.

3243131413 is a deficient number, since it is larger than the sum of its proper divisors (170691147).

3243131413 is a wasteful number, since it uses less digits than its factorization.

3243131413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170691146.

The product of its digits is 2592, while the sum is 25.

The square root of 3243131413 is about 56948.4978994179. The cubic root of 3243131413 is about 1480.2038027413.

Adding to 3243131413 its reverse (3141313423), we get a palindrome (6384444836).

The spelling of 3243131413 in words is "three billion, two hundred forty-three million, one hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 19 170691127 3243131413